Class VII

Which organ is affected by jaundice?
  1. Heart
  2. Lungs
  3. Kidney
  4. Liver
Sewage is mainly generated from which of these?
  1. Hospitals 
  2. House 
  3. Factories 
  4. Offices 
Dried____ is used as manure.
  1. Sludge
  2. Acid
  3. Gas
  4. Water
WWTP stands for
  1. Waste Water Treatment Process
  2. Waste Water Treatment Plant
  3. Waste Water Treated Plant
  4. Waste Water Treatment Path
Which of the following is not a water-borne disease?
  1. Cholera
  2. Meningitis
  3. Hepatitis
  4. Measles
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